[gview file=”https://publicservicesalliance.org/wp-content/uploads/2017/07/Future-of-Blended-Learning.pdf”]Going back to the classics, I just reviewed Benjamin Bloom’s (1984) “The 2 Sigma Problem: The Search for Methods of Group Instruction as Effective as One-to-One Tutoring.” His principle of mastery learning can definitely be applied to today’s new educational technologies, such as adaptive learning.